CN108890207A - Device for aeroengine combustor buring room casing assembly positioning welding - Google Patents
Device for aeroengine combustor buring room casing assembly positioning welding Download PDFInfo
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- CN108890207A CN108890207A CN201811052986.1A CN201811052986A CN108890207A CN 108890207 A CN108890207 A CN 108890207A CN 201811052986 A CN201811052986 A CN 201811052986A CN 108890207 A CN108890207 A CN 108890207A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to aeroengine combustor buring room fields, the docking location of casing is constrained using disk in the prior art, it is positioned in the presence of sizes casing can not be adapted to, the inconvenient problem of operation dismounting, in order to solve the problems in the prior art, the present invention provides the devices for aeroengine combustor buring room casing assembly positioning welding, including pedestal, the support platform being connected on pedestal, it is connected to the central axis component of support platform navigation, it is connected with and holds down assembly on central axis component, pull rod is equipped in central axis component, it is connect by annular groove with bootstrap block on pull rod, bootstrap block connects taper ring, taper ring is slidably located on central axis, the top surface of support platform is provided at least two tightening pieces circumferentially uniformly distributed around central axis component, the inner end wall surface of tightening piece is slidably matched with taper annular conical surface.Compared with prior art, the present invention having the advantages that easy to operate, strong applicability, capable of achieving the purpose that improve working efficiency and realizing that continuous batch produces.
Description
Technical field
The present invention relates to aeroengine combustor buring room fields, specifically, are filled for aeroengine combustor buring room casing
Device with positioning welding.
Background technique
Combustion box is the important component of aero-engine, it is by two revolving body workpieces groups comprising sheet metal component
At two workpiece are formed by connecting with docking mode by the method welded, and the sheet metal part thickness of junction is 2mm.Since this is right
The tactical diameter for connecing position workpiece is big, and the circularity size of sheet metal component is much larger than the deviation that control requires under free state, this is partially
Difference causes two workpiece under free state and can not directly be welded by assembling docking.
In the prior art, docking location when former combustion box assembly positioning welding is constrained using disk, but
Since disk diameter is fixed, and two component diameter sizes to be connected have fluctuation, therefore disk cannot be guaranteed to close with each component
Reason matches, and often to manufacture disk according to the specific size of workpiece to be connected；In addition, having slight receipts at two workpiece docking after welding
Contracting, causes disk firmly to be fastened by component, and must firmly tap from both ends when disassembly can remove disk, and use is extremely inconvenient,
And multi-user collaborative operation is needed when operating, though can so constrain the circularity of sheet metal member, cause whole process processing efficiency
The problem of low, at high cost and operator's large labor intensity, greatly constrain the continuity of production.In order to reduce cost, mention
High efficiency and the labor intensity for reducing operator adapt to batch production, are now badly in need of developing a kind of more reasonable dress
Device with the positioning welding combustion box.
Summary of the invention
It is an object of the invention to design the device for aeroengine combustor buring room casing assembly positioning welding, have
The advantages of easy to operate, strong applicability, can achieve the purpose that improve working efficiency and realize that continuous batch produces.
The present invention is achieved through the following technical solutions：
For the device of aeroengine combustor buring room casing assembly positioning welding, including for load and for the machine
The pedestal of the second workpiece centering of casket, is connected with support platform on the pedestal, the center of the support platform is connected with
The vertically arranged central axis component for the first workpiece centering to the casing, the central axis component is hollow shaft knot
Structure, the central axis component wall surface offer perforative window, are connected on the central axis component for compressing the casing
The first workpiece hold down assembly, pull rod is connected with by screw thread pair in the central axis component, is had on the pull rod
Annular groove, the central axis component outer wall sliding sleeve are equipped with taper ring, are connected with bootstrap block on the taper ring, the bootstrap block
One end passes through the window and protrudes into the annular groove；The top surface of the support platform is provided at least two around the central axis
The circumferentially uniformly distributed tightening piece of component, the inner end wall surface of the tightening piece are the conical surface being slidably matched with the taper annular conical surface,
The outboard end wall surface of the tightening piece be right against on the casing at the docking of the first workpiece and second workpiece and for it is described
The inner wall of casing offsets；The annular groove can be made to drive under the taper ring by the bootstrap block by rotating the pull rod
It moves, and then can push the tightening piece is radially outer to move to first workpiece and the second workpiece tensioner.
When using above-mentioned setting structure, an effect of the central axis component is first work to the casing
Part centering, an effect of the pedestal are the second workpiece centering to the casing, and by described at least two
Tightening piece controls first workpiece and the second workpiece tensioner circularity of two workpiece, so that guaranteed discharge workpiece is docking
When do not offset.
When rotating the pull rod, the pull rod and the annular groove thereon move down in the axial direction of the central axis component
Dynamic, the annular groove drives the bootstrap block to move up and down, and then the taper ring is driven to move up and down, the cone moved up and down
Degree ring is slidably matched by the inner end wall surface of its conical surface and the tightening piece pushes the tightening piece to move radially, when described
When pull rod moves down, the tightening piece is radially outer to be moved and offsets and rise with the inner wall of first workpiece and the second workpiece
Tightly.Its uplink is made by the rotation pull rod after the welding for completing first workpiece and the second workpiece, described in releasing
Taper ring makes the tightening piece and first workpiece and the second workpiece no longer close-fitting to the active force of the tightening piece,
Casing easy to disassemble, therefore, this kind of device compared with original fixed disc, from the charge and discharge operations of workpiece, offset control and
Labor intensity of operator etc., which all has, to be greatly improved, and is substantially increased the welding quality and production efficiency of workpiece, is fitted
Batch production for workpiece.
Further to better implement the present invention, following setting structures are especially used：The quantity of the tightening piece is six
A, six tightening pieces are circumferentially uniformly distributed around the central axis component.
When using above-mentioned setting structure, six tightening pieces are circumferentially uniformly distributed around the central axis component, when the tensioner
When block is to two workpiece tensioners, tensioner active force can be preferably evenly dispersed on two workpiece, controls two workpiece to the maximum extent
Circularity.
Further to better implement the present invention, following setting structures are especially used：The support platform includes vertical
It is arranged and the pillar being fixed on the pedestal, the support ring for being fixed in the post top portion, the tightening piece is slideably positioned in
The support top surface of ring.
When using above-mentioned setting structure, the centre support ring with a central hole can compared to monolith support plate
Mitigate construction weight, and can be felt relieved by its centre bore to central axis component.
Further to better implement the present invention, following setting structures are especially used：The quantity of the pillar is six,
Six pillars are angularly uniformly distributed around the axis of central axis component, and the pillar is hollow structure.
Further to better implement the present invention, following setting structures are especially used：The central axis component includes certainly
It is upper and under be sequentially connected and be connected to thread spindle, connecting shaft, the window is opened in the connecting shaft, the company of holding down assembly
It is connected on the thread spindle, the pull rod is flexibly connected by screw thread pair with the inner wall of the thread spindle, and the annular groove is located at institute
It states in connecting shaft；
The outer wall of the connecting shaft is connected with attachment base, and the attachment base is inserted in the centre bore of the support ring and solid
It is connected in the support ring, the outer wall of the thread spindle is connected with the locating shaft at the center for positioning first workpiece.
Further to better implement the present invention, following setting structures are especially used：The lower end of the connecting shaft and institute
Attachment base is stated to connect using welding manner.
When using above-mentioned setting structure, increased by the way of welding the connecting shaft connect with the attachment base it is steady
It is qualitative.
Further to better implement the present invention, following setting structures are especially used：The bottom of the thread spindle plugs
The step for limiting the rod stroke is cooperatively formed in close-fitting in the connecting shaft.
Further to better implement the present invention, following setting structures are especially used：It further include positioning seat, spring, institute
It states the upper position in the inner between wall and outer wall of tightening piece and offers vertical perforative rectangular through-hole, the bottom of the positioning seat
It is interior and affixed with the support ring to be inserted in the rectangular through-hole, the positioning seat is slidably matched with the rectangular through-hole for limiting
It makes the tightening piece to move radially, the opposite end of the spring is separately connected on the positioning seat close to the central axis group
Inner end on one end of part and the tightening piece.
When using above-mentioned setting structure, the positioning seat is fixedly connected with the support ring, and the length of the positioning seat is small
In the length of the rectangular through-hole, the width of the width of the positioning seat and the rectangular through-hole is close or consistent, the positioning
Seat can accurately be oriented to tightening piece 4.The taper ring moves up and down to tightening piece 4 along the connecting shaft and transmits or release
Uniform active force on circumferencial direction is put, plays the role of tensioner workpiece and release workpiece eventually by the spring,
After the docking for completing two workpiece, the tightening piece can be detached from the workpiece after moving up the pull rod, can facilitate subsequent operation,
Casing suitable for mass production.
Further to better implement the present invention, following setting structures are especially used：The positioning seat is T-shaped structure
Body, vertical section are located in the rectangular through-hole and affixed with the top of the support platform, and the bottom surface pressure of horizontal segment is set to
The top surface of the tightening piece.
When using above-mentioned setting structure, the positioning seat can be more precisely oriented to the tightening piece, be prevented
The tightening piece deflection upwarps, and guarantees the circularity of two workpiece.
Further to better implement the present invention, following setting structures are especially used：The quantity of the window is three,
All windows are uniformly distributed around the axial direction of the central axis component, and the quantity of the bootstrap block is consistent with the quantity of the window,
The position of the window and the bootstrap block corresponds, and each bootstrap block is each passed through the corresponding window.
When using above-mentioned setting structure, the bootstrap block is fixed in uniform way on taper ring, and each bootstrap block runs through
The window of corresponding position in the connecting shaft, ensure that uniform when transmitting forces.
Further to better implement the present invention, following setting structures are especially used：The top surface of the pedestal is provided with
For positioning the setting circle at the center of the second workpiece, the pedestal has lightening hole.
Further to better implement the present invention, following setting structures are especially used：The outer end wall of the tightening piece
Face is the arc surface with the inner wall close fit of first workpiece, the second workpiece.
When using above-mentioned setting structure, the tightening piece can be preferably bonded with first workpiece and second workpiece,
Guarantee the circularity of two workpiece.
Further to better implement the present invention, following setting structures are especially used：It is provided with and is used in the pedestal
The appendix of conveying welding protective gas, the outer end wall of the tightening piece are machined with the ventilation for the welding protective gas that circulates
Annular groove, the ventilation annular groove is corresponding at the docking of the second workpiece and the first workpiece, and the ventilation annular groove is communicated with ventilation
Pipe, the appendix are connected to by hose with the snorkel.
The present invention has the following advantages and beneficial effects：
In the present invention, an effect of the central axis component is first workpiece centering to the casing, institute
An effect for stating pedestal is to feel relieved to the second workpiece of the casing, and by least two tightening pieces to institute
The first workpiece and the second workpiece tensioner are stated to control the circularity of two workpiece, so that guaranteed discharge workpiece mistake does not occur in docking
It moves.
When rotating the pull rod, the pull rod and the annular groove thereon move down in the axial direction of the central axis component
Dynamic, the annular groove drives the bootstrap block to move up and down, and then the taper ring is driven to move up and down, the cone moved up and down
Degree ring is slidably matched by the inner end wall surface of its conical surface and the tightening piece pushes the tightening piece to move radially, when described
When pull rod moves down, the tightening piece is radially outer to be moved and offsets and rise with the inner wall of first workpiece and the second workpiece
Tightly.Its uplink is made by the rotation pull rod after the welding for completing first workpiece and the second workpiece, described in releasing
Taper ring makes the tightening piece and first workpiece and the second workpiece no longer close-fitting to the active force of the tightening piece,
Casing easy to disassemble, therefore, this kind of device compared with original fixed disc, from the charge and discharge operations of workpiece, offset control and
Labor intensity of operator etc., which all has, to be greatly improved, and is substantially increased the welding quality and production efficiency of workpiece, is fitted
Batch production for workpiece.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic cross-sectional view of the device for aeroengine combustor buring room casing assembly positioning welding；
Fig. 2 be in Fig. 1 A to schematic cross-sectional view；
In figure label for：
1- pedestal；2- second workpiece；3- snorkel；4- tightening piece；5- positioning seat；6- taper ring；The first workpiece of 7-；8- is fixed
Position axis；9- compression ring；10- clamp nut；11- hanging ring；12- pull rod；13- thread spindle；14- connecting shaft；15- bootstrap block；16- bullet
Spring；17- positioning pin；18- screw；19- support ring；20- pillar；21- attachment base.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment：
For the device of aeroengine combustor buring room casing assembly positioning welding, have easy to operate, strong applicability excellent
Point can achieve the purpose that improve working efficiency and realize that continuous batch produces, as shown in Figure 1 and Figure 2, be specifically arranged to following
Structure：
Including a pedestal 1, pedestal 1 is the load component of whole device, and the bottom centre position of pedestal 1 is machined with for subtracting
The lightening hole of weight, the end face center position of pedestal 1 are machined with setting circle, and pedestal 1 is used for for load and by setting circle to machine
The second workpiece 2 of casket is felt relieved, and the surrounding in the top surface of pedestal 1 is uniformly machined with the through slot of workpiece easy to disassemble, in the outer of pedestal 1
Circle position, which is machined with several places, can be used for the threaded hole of the purposes such as lifting.It is connected with support platform in the top surface of pedestal 1, the support
Platform includes the pillar 20 of more vertically arranged contour hollow structures and is fixedly connected on 20 top surface of pillar by screw
The working position height of support ring 19, the device guaranteed by the height of pillar 20, the thickness of support ring 19 should it is moderate with
Guarantee the stability for meeting connection structure related with support ring 19 while stiffness requires；The bottom of pillar 20 passes through screw
It is fixedly connected on the top surface of pedestal 1, the top surface of support ring 19 has center for carrying workpiece, the middle part of support ring 19
Hole, centre bore and pedestal are coaxially disposed；It is fixed with and coaxial vertically arranged of support ring 19 in the central hole of support ring 19
Central axis component, the effect of central axis component are to the first workpiece 7 centering of casing and installation component, central axis group
Part is mainly made of the thread spindle 13 and connecting shaft 14 that are fixedly connected sequentially from top to bottom, and thread spindle 13 and connecting shaft 14 are with upper
The straight hole of lower perforation forms hollow axis structure, and perforative window is offered on the wall surface of connecting shaft 14；In central axis component
A pull rod 12 is inserted in through-hole, the top of thread spindle 13 is stretched out on the top of pull rod 12, and the bottom end of pull rod 12 is located at connecting shaft 14
It is interior, it is spirally connected between the outer wall of pull rod 12 and the inner wall of thread spindle 13 by screw thread pair, it can be made along axis by rotating rod 12
It is moved up and down to direction, is fixedly connected with an annular groove coaxial with pull rod 12 in the bottom end of pull rod 12；It is arranged on thread spindle 13
There is a locating shaft 8 for feeling relieved to the first workpiece 7, locating shaft 8 is fixedly connected by screw with thread spindle 13；In thread spindle
It is also arranged with the compression ring 9 of first workpiece 7 for compressing casing on 13, is spirally connected on the thread spindle 13 above compression ring 9
There is clamp nut 10, compression ring 9 and clamp nut 10 are complemented each other to form and held down assembly, cover on the lower end outer wall of connecting shaft 14
Equipped with a connecting seat 21, attachment base 21 is inserted in the centre bore of support ring 19, and attachment base 21 passes through screw and support ring 19
Bottom, which is fixed together, is fixed on the positioning entire central axis component；Taper is equipped in central axis component outer wall sliding sleeve
Ring 6, the support ring 19 of the conical surface of taper ring 6 downwards, is fixedly connected with a guidance by screw on the top surface of taper ring 6
Block 15, one end of bootstrap block 15 pass through the window being provided in connecting shaft 14 and protrude into the annular groove on pull rod 12, the slot of annular groove
Bootstrap block 15 is limited in annular groove by wall, and when annular groove moves up and down, the cell wall of annular groove can drive bootstrap block 15 to move up and down；?
The top surface of support ring 19 is placed at least two tightening pieces 4, and tightening piece 4 is by sliding come tensioner or unclamping workpiece, 4 energy of tightening piece
Enough radially to slide in the top surface of support ring 19, all tightening pieces 4 are circumferentially uniformly distributed around central axis component, tightening piece 4
Inner end wall surface is the conical surface being slidably matched with 6 conical surface of taper ring, conical surface degree and 4 conical surface degree phase of tightening piece of taper ring 6
Together, the distance that is slidably matched is calculated by the type meter that rises, and can be added between the inner end wall surface of tightening piece 4 and the conical surface of taper ring 6
Lubricating oil reduces mutual frictional force, increases the smoothness of sliding fit, reduces frictionally damage to each other, it is ensured that operation
Stationarity.
The outboard end wall surface of tightening piece 4 is right against on casing at the docking of the first workpiece 7 and second workpiece 2 and is used for and machine
The inner wall of casket offsets.
Wherein, the appendix for conveying welding protective gas, the outer end wall processing of tightening piece 4 are provided in pedestal 1
There is the ventilation annular groove moderate for the width for the welding protective gas that circulates, is machined with several for output protection in annular groove of ventilating
The venthole of gas, ventilation annular groove is corresponding at the docking of second workpiece 2 and the first workpiece 7, and ventilation annular groove is communicated with snorkel
3, appendix is connected to by hose with snorkel 3.
Wherein, pull rod 12, thread spindle 13 and clamp nut 10 are all made of the coarse thread spiral shell bigger compared with the screw pitch of fine thread
Line so can just be able to satisfy tightening piece tensioner function using the shorter stroke that screws, reduce the labor intensity of operator.
Wherein, the aperture for adding lubricating oil is machined on the surface of tightening piece 4, which leads to 4 He of tightening piece
The contact surface of support ring 19, the processing of aperture are protected to guarantee to have enough lubricities between tightening piece 4 and support ring 19
Card slides freely.
Wherein, it lifts for convenience, is welded with a hanging ring 11 on the top of pull rod 12, hanging ring 11 cooperates the spiral shell on pedestal 1
Pit is mobile to whole device to facilitate.
When using above-mentioned setting structure, an effect of central axis component is the first workpiece 7 centering to casing, pedestal
1 effect is to feel relieved to the second workpiece 2 of casing, guarantees that the first workpiece 7 exists with 2 pre-assembled position of second workpiece
On same center, and two workpiece are controlled to the first workpiece 7 and 2 tensioner of the second workpiece by least two tightening pieces 4
Circularity, so that guaranteed discharge workpiece does not offset in docking；Centre support ring with a central hole 19 is compared to monolith
Support plate can reduce construction weight, and can be felt relieved by its centre bore to central axis component.Tightening piece 4, taper ring
6, pull rod 12, thread spindle 13 by screw or the modes such as are threadedly engaged and couple between each other, convenient disassembly, can be according to using mill
Damage situation is replaced.
In use, rotating rod 12, pull rod 12 and annular groove thereon are moved up and down along the axial direction of central axis component, annular groove
Bootstrap block 15 is driven to move up and down, bootstrap block 15 drives taper ring 6 to move up and down because affixed with taper ring 6, moves up and down
The taper ring 6 be slidably matched by the inner end wall surface of its conical surface and tightening piece 4 tightening piece 4 pushed to move radially, when
When the pull rod 12 moves down, tightening piece 4 is radially outer to be moved and offsets with the inner wall of the first workpiece 7 and second workpiece 2 and tensioner.?
It completes to make its uplink by rotating rod 12 after the welding of the first workpiece 7 and second workpiece 2, releases taper ring 6 to tightening piece 4
Active force, makes tightening piece 4 and the first workpiece 7 and the no longer close-fitting of second workpiece 2, casing easy to disassemble, therefore, this kind of device and former
Some fixed discs are compared, and operation is more easy, and a people can carry out charge and discharge operations, cost of labor be reduced, from the dress of workpiece
Operation, offset control and the labor intensity of operator etc. are unloaded all with greatly improving, substantially increases the weldering of workpiece
Quality and production efficiency are connect, the batch production suitable for workpiece.
As a kind of feasible program of 4 quantity of tightening piece setting, the quantity of tightening piece 4 is set as six, six tensioners
Block is circumferentially uniformly distributed around the central axis component, and 60 ° of angles are spaced between adjacent tightening piece 4.Six tightening pieces are around central axis component
Circumferential uniformly distributed, when tightening piece 4 is to two workpiece tensioners, tensioner active force can be preferably evenly dispersed on two workpiece, maximum
Control to limit the circularity of two workpiece.
Preferably, the quantity of window is consistent with the quantity of bootstrap block 15, is three, bootstrap block 15 is fixed on cone in uniform way
It spends on ring 6, window is uniformly distributed around the axial direction of central axis component, and the position of bootstrap block 15 and window corresponds, each bootstrap block 15
The window of corresponding position in connecting shaft 14, it is uniform when ensure that transmitting forces.
As a kind of feasible program of 20 quantity of pillar setting, the quantity of pillar 20 is set as six, six pillars 20
Axis around central axis component is angularly uniformly distributed.
Preferably, it is connect with the junction of attachment base 21 using welding manner in the lower end of connecting shaft 14, using welding
Mode increases the stability that connecting shaft 14 is connect with attachment base 21.
Preferably, thread spindle 13 and connecting shaft 14 connects using close-fitting, the bottom of thread spindle be inserted in connecting shaft 14 it is interior into
The cooperation of row close-fitting, the step for limiting 12 stroke of pull rod is formed in connecting shaft 14 on the bottom of thread spindle 13.
Preferably, in order to preferably go moving radially for guidance tightening piece, positioning is additionally provided in the top surface of support ring 19
Seat 5, meanwhile, the upper position in the inner between wall and outer wall of tightening piece 4 offers vertical perforative rectangular through-hole, positioning seat 5
It is put into and is inserted into rectangular through-hole from above, finally contact the bottom surface of positioning seat 5 and the top surface of support ring 19, positioning seat 5 passes through
Screw 18 and positioning pin 17 are fixed on 19 top surface of support ring.Wherein, the length of positioning seat 5 is less than the length of rectangular through-hole, positioning
The width of seat 5 and the width of rectangular through-hole are close or consistent, and the two sides in the width direction of positioning seat 5 is corresponding with rectangular through-hole
Side is slidably matched, and positioning seat 5 is enable accurately to be oriented to tightening piece 4, and limitation tightening piece 4 moves radially.Fixed
Also there is a spring 16, the opposite end of spring 16 is separately connected on positioning seat 5 close to central axis group between position seat 5 and tightening piece 4
Inner end on one end and tightening piece 4 of part.Taper ring 6 moves up and down along connecting shaft 14 and circumference is transmitted or discharged to tightening piece 4
Uniform active force on direction plays the role of tensioner workpiece and release workpiece eventually by spring 16, completes two works
After the docking of part, tightening piece 4 can be detached from the workpiece after moving up pull rod 12, can facilitate subsequent operation, suitable for mass production
Casing, wherein the spring 16 being connected with tightening piece 4 can be replaced according to service condition.
As a kind of feasible configurations scheme of positioning seat 5, positioning seat 5 is preferably set to T-shaped structure, and vertical section is located at
In rectangular through-hole and affixed with the top of support platform, the bottom surface pressure of horizontal segment is set to the top surface of tightening piece 4.5 energy of positioning seat
It is enough that more precisely the tightening piece is oriented to, it prevents 4 deflection of tightening piece or upwarps, guarantee the circularity of two workpiece.
Preferably, the outboard end wall surface of tightening piece 4 is the circular arc with the inner wall close fit of the first workpiece 7, second workpiece 2
Face.Tightening piece 4 can be preferably bonded with first workpiece 7 and second workpiece 2, guarantee the circularity of two workpiece.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. the device for aeroengine combustor buring room casing assembly positioning welding, it is characterised in that：Including being used in combination for load
In being connected with support platform on the pedestal (1) of second workpiece (2) centering to the casing, the pedestal (1), the support is flat
The center of platform is connected with the vertically arranged central axis component for the first workpiece (7) centering to the casing, described
Central axis component is hollow axis structure, and the central axis component wall surface offers perforative window, is connected on the central axis component
It is connected to holding down assembly for the first workpiece (7) for compressing the casing, is connected in the central axis component by screw thread pair activity
It is connected to pull rod (12), there is annular groove on the pull rod (12), the central axis component outer wall sliding sleeve is equipped with taper ring (6), institute
It states and is connected on taper ring (6) bootstrap block (15), one end of the bootstrap block (15) passes through the window and protrudes into the annular groove
It is interior；The top surface of the support platform is provided at least two around the circumferentially uniformly distributed tightening piece of the central axis component (4), described to rise
The inner end wall surface of tight block (4) is the conical surface being slidably matched with taper ring (6) conical surface, the outboard end of the tightening piece (4)
Wall surface is right against on the casing at the docking of the first workpiece (7) and second workpiece (2) and for the inner wall phase with the casing
It supports；The annular groove can be made to drive the taper ring (6) to move down by the bootstrap block (15) by rotating the pull rod (12),
And then it can push the tightening piece (4) is radially outer to move to first workpiece (7) and the second workpiece (2) tensioner.
2. the device according to claim 1 for aeroengine combustor buring room casing assembly positioning welding, feature exist
In：The support platform includes pillar (20) that is vertically arranged and being fixed on the pedestal (1), is fixed in the pillar (20)
The support ring (19) at top, the tightening piece (4) are slideably positioned in the support ring (19) top surface.
3. the device according to claim 2 for aeroengine combustor buring room casing assembly positioning welding, feature exist
In：The central axis component includes the thread spindle (13) for being sequentially connected and being connected to from top to bottom, connecting shaft (14), and the window is opened
On the connecting shaft (14), described hold down assembly is connected on the thread spindle (13), and the pull rod (12) passes through screw thread
The secondary inner wall with the thread spindle (13) is flexibly connected, and the annular groove is located in the connecting shaft (14)；
The outer wall of the connecting shaft (14) is connected with attachment base (21), and the attachment base (21) is inserted in the support ring (19)
It in centre bore and is fixed on the support ring (19), the outer wall of the thread spindle (13) is connected with for positioning first work
The locating shaft (8) at the center of part (7).
4. the device according to claim 3 for aeroengine combustor buring room casing assembly positioning welding, feature exist
In：The bottom of the thread spindle (13) is inserted in the platform formed in the connecting shaft (14) for limiting the pull rod (12) stroke
Rank.
5. the device according to Claims 2 or 3 or 4 for aeroengine combustor buring room casing assembly positioning welding,
It is characterized in that：It further include positioning seat (5), spring (16), the upper position in the inner between wall and outer wall of tightening piece (4) is opened
Equipped with vertical perforative rectangular through-hole, the bottom of the positioning seat (5) be inserted in the rectangular through-hole and with the support ring
(19) affixed, the positioning seat (5) is slidably matched with the rectangular through-hole and moves radially for limiting the tightening piece (4),
The opposite end of the spring (16) is separately connected on the positioning seat (5) close to one end of the central axis component and described rises
Inner end on tight block (4).
6. the device according to claim 5 for aeroengine combustor buring room casing assembly positioning welding, feature exist
In：The positioning seat (5) is T-shaped structure, and vertical section is located in the rectangular through-hole and the top with the support platform
Affixed, the bottom surface pressure of horizontal segment is set to the top surface of the tightening piece (4).
7. the device according to claim 1 or 2 or 3 or 4 for aeroengine combustor buring room casing assembly positioning welding,
It is characterized in that：The quantity of the window is three, and all windows are uniformly distributed around the axial direction of the central axis component, described to draw
The quantity of guide block (15) is consistent with the quantity of the window, and the position of the window and the bootstrap block (15) corresponds, often
A bootstrap block (15) is each passed through the corresponding window.
8. the device according to claim 1 or 2 or 3 or 4 for aeroengine combustor buring room casing assembly positioning welding,
It is characterized in that：The top surface of the pedestal (1) is provided with the setting circle at the center for positioning the second workpiece (2), described
Pedestal (1) has lightening hole.
9. the device according to claim 1 or 2 or 3 or 4 for aeroengine combustor buring room casing assembly positioning welding,
It is characterized in that：The outboard end wall surface of the tightening piece (4) is the inner wall with first workpiece (7), the second workpiece (2)
The arc surface of close fit.
10. the dress according to claim 1 or 2 or 3 or 4 for aeroengine combustor buring room casing assembly positioning welding
It sets, it is characterised in that：The appendix for conveying welding protective gas is provided in the pedestal (1), the tightening piece (4)
Outer end wall is machined with the ventilation annular groove for the welding protective gas that circulates, the ventilation annular groove and the second workpiece (2) and
Corresponded at the docking of first workpiece (7), the ventilation annular groove is communicated with snorkel (3), the appendix pass through hose with it is described
Snorkel (3) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052986.1A CN108890207A (en) | 2018-09-10 | 2018-09-10 | Device for aeroengine combustor buring room casing assembly positioning welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052986.1A CN108890207A (en) | 2018-09-10 | 2018-09-10 | Device for aeroengine combustor buring room casing assembly positioning welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108890207A true CN108890207A (en) | 2018-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811052986.1A Pending CN108890207A (en) | 2018-09-10 | 2018-09-10 | Device for aeroengine combustor buring room casing assembly positioning welding |
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| CN (1) | CN108890207A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110091109A (en) * | 2019-06-03 | 2019-08-06 | 霍山嘉远智能制造有限公司 | One kind being convenient for pinpoint tooling device |
| CN110202320A (en) * | 2019-03-15 | 2019-09-06 | 蓝箭航天技术有限公司 | Composite tooling and thrust chamber preparation process for thrust chamber preparation process |
| CN111060063A (en) * | 2020-01-02 | 2020-04-24 | 北京航空航天大学 | Automatic positioning and aligning device and method for rotary barrel parts of cartridge receiver |
| CN112059395A (en) * | 2020-08-04 | 2020-12-11 | 西安航天发动机有限公司 | Welding tool and method for butt joint of large-size thin-wall niobium-hafnium alloy annular workpiece |
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| CN110202320A (en) * | 2019-03-15 | 2019-09-06 | 蓝箭航天技术有限公司 | Composite tooling and thrust chamber preparation process for thrust chamber preparation process |
| CN110202320B (en) * | 2019-03-15 | 2024-06-04 | 蓝箭航天技术有限公司 | Composite tool for thrust chamber preparation process and thrust chamber preparation process |
| CN110091109A (en) * | 2019-06-03 | 2019-08-06 | 霍山嘉远智能制造有限公司 | One kind being convenient for pinpoint tooling device |
| CN112975783B (en) * | 2019-06-03 | 2023-09-15 | 霍山嘉远智能制造有限公司 | Be applied to high axiality's in both ends accurate positioning frock |
| CN112975783A (en) * | 2019-06-03 | 2021-06-18 | 霍山嘉远智能制造有限公司 | Be applied to accurate positioning frock of high axiality in both ends |
| CN111060063A (en) * | 2020-01-02 | 2020-04-24 | 北京航空航天大学 | Automatic positioning and aligning device and method for rotary barrel parts of cartridge receiver |
| CN111060063B (en) * | 2020-01-02 | 2020-11-03 | 北京航空航天大学 | Automatic positioning and aligning device and method for rotary barrel parts of cartridge receiver |
| CN113523616A (en) * | 2020-04-16 | 2021-10-22 | 大族激光科技产业集团股份有限公司 | Laser welding tool equipment and laser welding method |
| CN112059395A (en) * | 2020-08-04 | 2020-12-11 | 西安航天发动机有限公司 | Welding tool and method for butt joint of large-size thin-wall niobium-hafnium alloy annular workpiece |
| CN112059395B (en) * | 2020-08-04 | 2022-04-05 | 西安航天发动机有限公司 | Welding tool and method for butt joint of large-size thin-wall niobium-hafnium alloy annular workpiece |
| CN112191463A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Glue coating assembly device for containing ring |
| CN112408178A (en) * | 2020-11-06 | 2021-02-26 | 中国航发四川燃气涡轮研究院 | Aeroengine combustion chamber centering lifting appliance |
| CN113547269A (en) * | 2021-08-20 | 2021-10-26 | 中国航发航空科技股份有限公司 | Welding fixture for large titanium alloy thin-wall metal plate welding case of aircraft engine |
| CN113945636A (en) * | 2021-10-25 | 2022-01-18 | 中国航发沈阳发动机研究所 | Detection device is strikeed to aircraft engine air inlet machine casket extension board |
| CN113945636B (en) * | 2021-10-25 | 2024-01-02 | 中国航发沈阳发动机研究所 | Knocking detection device for support plate of air inlet casing of aircraft engine |
| CN115945927A (en) * | 2022-04-08 | 2023-04-11 | 清华大学 | Floating support-based combustion chamber casing machining clamp and clamping method |
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Address after: 610503 Chengfa Industrial Park, Shulong Avenue, Xindu District, Chengdu City, Sichuan Province Applicant after: AECC AERO SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 610503 Sanhe Street Industrial Park in Xindu District, Chengdu, Sichuan Applicant before: AECC AERO SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Application publication date: 20181127 |